PLEASE SELECT ALL THAT APPLY !!! A. An object is placed in front of a lens and a
ID: 1639165 • Letter: P
Question
PLEASE SELECT ALL THAT APPLY !!!
A. An object is placed in front of a lens and an image is produced which has a magnification of +3.1 .
Check all of the answers below that can be used to explain why the lens must be converging.
Check all answers that apply.
A converging lens has a positive focal length.
B. An unknown type of lens produces a virtual image. By careful observation, you know that the object is located at 17.0 cm and that the image is 3.9 times larger than the object.
Pick all of the responses below that allow you to know that the lens is converging.
Be sure to check all that apply.
A diverging lens has a negative focal length. A converging lens can produce a magnified, erect image if the object is placed inside the focal point. A converging lens can produce a magnified, erect image if the object is placed at F. A converging lens is the only lens capable of producing a positive magnification. A converging lens is the only lens capable of producing a magnified image. A converging lens can produce a magnified, erect image if the object is placed outside the focal point.A converging lens has a positive focal length.
B. An unknown type of lens produces a virtual image. By careful observation, you know that the object is located at 17.0 cm and that the image is 3.9 times larger than the object.
Explanation / Answer
A) Converging lens has the following properties :
1 focal length is always positive.
2 it is the only lens that can produce magnified image
3 image will be magnified and erect only if the object is kept between focal length and pole.
Thus option 1, 2, 4, and 6 can be used to explain magnified image.
B) here option 1and 2 can describe the above observation as per property of Converging lens. Because other options can take place in diverging lens as well.
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